Equity Based Compensation of the Company (Share-Based Compensation Expense) (Details) - Tanger Factory Outlet Centers, Inc [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 4,160	$ 3,994	$ 11,815	$ 11,560
Restricted Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	3,020	2,865	8,527	8,362
Notional Unit Performance Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	1,057	1,012	2,967	2,853
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation	$ 83	$ 117	$ 321	$ 345